philjd26
06-12-2007, 07:10 PM
hi,
have a tosh (mar) type given me grief...its coming up with a chek 21, which can be a number of things,,ie high pressure or high inv sump temp...
watched unit running for a while in cooling, everthing seemed ok,fans ramping up and down, suction temp @5c, discharge temp 70c..liquid temp 30c....however i did notice that a discharge by pass valve would open for 2-3 minutes raising the suction temp to 11c....as far as i know it opens if suction temp/pressure is abnormal also if discharge temp gets so high 110c i think...does any body else know why this would happen? as all sensors seem to be good! also would anybody have a list of the functions for all these sv on this particular tosh!
regrds phil
have a tosh (mar) type given me grief...its coming up with a chek 21, which can be a number of things,,ie high pressure or high inv sump temp...
watched unit running for a while in cooling, everthing seemed ok,fans ramping up and down, suction temp @5c, discharge temp 70c..liquid temp 30c....however i did notice that a discharge by pass valve would open for 2-3 minutes raising the suction temp to 11c....as far as i know it opens if suction temp/pressure is abnormal also if discharge temp gets so high 110c i think...does any body else know why this would happen? as all sensors seem to be good! also would anybody have a list of the functions for all these sv on this particular tosh!
regrds phil